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Boronic Acids & Esters

Trimethylborate, extra pure >99%

Extra PureAvailable on request

Buy Trimethylborate, extra pure >99% (CAS 121-43-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity >99%.

Pack sizes
Trimethylborate, extra pure >99% chemical structure
CAS number121-43-7
FormulaC3H9BO3
Molar mass103.92 g/mol
Physical formLiquid
Purity>99%
InChIKeyWRECIMRULFAWHA-UHFFFAOYSA-N
IUPAC nametrimethyl borate

About Trimethylborate, extra pure >99%

Trimethylborate, extra pure >99% sits in our boronic Acids & Esters section and ships worldwide from stock or short lead time. For your records (Extra Pure), the material is defined by CAS 121-43-7, formula C3H9BO3 and molar mass 103.92 g/mol. It is handled as a liquid.

Where it is used

  • Organic synthesis
  • API synthesis

Handling and storage

Classified under GHS with signal word Danger and hazard statements H226 and H312. Read the SDS before first use.

Standard pack sizes are 100 mL and 1000 mL, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Extra Pure Grade

Specifications and identifiers

Specifications of Trimethylborate, extra pure >99%
Product nameTrimethylborate, extra pure >99%
Catalogue numberZX-018940
CAS number121-43-7
IUPAC nametrimethyl borate
Molecular formulaC3H9BO3
Molar mass103.92 g/mol
Exact mass104.0645
GradeExtra Pure
Purity / assay>99%
Physical formLiquid
H-bond donors / acceptors0 / 3
Topological polar surface area27.7 Ų
InChIKeyWRECIMRULFAWHA-UHFFFAOYSA-N
SMILESB(OC)(OC)OC
PubChem CID8470
SynonymsTrimethoxyborane, Methyl borate, Boric acid trimethyl ester, Borester O, Boric acid, trimethyl ester, Trimethoxyborine, Boric acid (H3BO3), trimethyl ester, Trimethylester kyseliny borite, B(OMe)3, B(OCH3)3, (MeO)3B, Trimethyl borate-11B

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H226Flammable liquid and vapor
  • H312Harmful in contact with skin

Precautionary statements P203, P210, P233, P240, P241, P242, P243, P280, P302 + P352, P303 + P361 + P353, P317, P318, P321, P362 + P364, P370 + P378, P403 + P235, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Trimethylborate, extra pure >99%
100 mLQuoted on request
1000 mLQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Trimethylborate, extra pure >99%

Which CAS number identifies Trimethylborate, extra pure >99%?
Trimethylborate, extra pure >99% is registered under CAS 121-43-7. You may also see it listed as Trimethoxyborane, Methyl borate, Boric acid trimethyl ester. Our catalogue number for this item is ZX-018940.
What are the formula and molar mass of Trimethylborate, extra pure >99%?
For Trimethylborate, extra pure >99%, its formula is C3H9BO3 and its molar mass is 103.92 g/mol. The systematic (IUPAC) name is trimethyl borate. InChIKey WRECIMRULFAWHA-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Trimethylborate, extra pure >99%?
This listing is Extra Pure grade with >99% purity. Standard packs are 100 mL, 1000 mL. Larger quantities and custom packing can be quoted on request.
Which documents come with Trimethylborate, extra pure >99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Trimethylborate, extra pure >99% to my country?
Yes. Because Trimethylborate, extra pure >99% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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